11976281344 has 36 divisors (see below), whose sum is σ = 24080345604. Its totient is φ = 5944414208.

The previous prime is 11976281311. The next prime is 11976281357. The reversal of 11976281344 is 44318267911.

It can be written as a sum of positive squares in 2 ways, for example, as 3034687744 + 8941593600 = 55088^2 + 94560^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11976281294 and 11976281303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135667 + ... + 205810.

It is an arithmetic number, because the mean of its divisors is an integer number (668898489).

Almost surely, 2^11976281344 is an apocalyptic number.

It is an amenable number.

11976281344 is an abundant number, since it is smaller than the sum of its proper divisors (12104064260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11976281344 is an equidigital number, since it uses as much as digits as its factorization.

11976281344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341630 (or 341616 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The spelling of 11976281344 in words is "eleven billion, nine hundred seventy-six million, two hundred eighty-one thousand, three hundred forty-four".